Lamp



FIG. 1 is a perspective view of the lamp showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 4 is a top plan thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 